Responsibilities. St. Mary’s Physician Associates. is a multi-specialty group of employed physicians and midlevel providers that serve a ten-county area in NW Oklahoma. It is located in Enid, Oklahoma which is the county seat for Garfield County. Enid is the seventh largest city in Oklahoma with a population of approximately 65,000 but their primary service area in NW Oklahoma consists of 200,000. The group has satellite clinics in Hennessey, Fai...
